Archie becomes a fanatical crusader against air pollution. His friends think he's going too far with his protesting, until they discover that rabble-rousing gets results.; Archie joins the tumbling team, and impresses Mr. Lodge and Smithers with his new ability to flip-flop around the house without breaking anything. Unfortunately he's still as clumsy as ever when he's just walking.; When Mary tries to encourage Archie to take up needlepoint, Fred objects, considering the hobby unmanly. Mary reveals that Fred's own doctor and golfing partner does needlework, and asks him if he'd prefer a doctor who's good with needles or a "manly" doctor who's all thumbs.; Archie gets his hand stuck in an expensive vase, and Fred has to pay for it so they can leave the store.